Results 141 to 150 of about 7,289 (188)
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Nature, 1947
IT has been suggested recently1 that 5 : 6: 5â:6â-tetrahydroxy-indigo (I), or a quinone or semi-quinone derived from it, is an important constituent of melanin, the black pigment produced by the oxidation of tyrosine and 3 : 4-dihydroxyphenylalanine2.
J, HARLEY-MASON, G R, CLEMO, J, WEISS
openaire +2 more sources
IT has been suggested recently1 that 5 : 6: 5â:6â-tetrahydroxy-indigo (I), or a quinone or semi-quinone derived from it, is an important constituent of melanin, the black pigment produced by the oxidation of tyrosine and 3 : 4-dihydroxyphenylalanine2.
J, HARLEY-MASON, G R, CLEMO, J, WEISS
openaire +2 more sources
Binding of Memantine to Melanin: Influence of Type of Melanin and Characteristics
Pharmaceutical Research, 2003The objectives of this study were to characterize sepia, synthetic, and bovine melanin and to determine their binding characteristics to the drug memantine.Physical methods were used to characterize sepia, synthetic, and bovine melanin. Their binding properties toward memantine were determined in deionized water and phosphate-buffered saline (PBS) at ...
Koeberle, M. +3 more
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Archives of Dermatology, 1986
To the Editor.— Good theories should give way to better theories, and even good theories may become untenable as new information is discovered. Periodic questioning of dogma is a useful way to reevaluate dogma, lest we be complacent with obsolete conclusions. The article by Warwick L.
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To the Editor.— Good theories should give way to better theories, and even good theories may become untenable as new information is discovered. Periodic questioning of dogma is a useful way to reevaluate dogma, lest we be complacent with obsolete conclusions. The article by Warwick L.
openaire +2 more sources
New England Journal of Medicine, 1961
T B, FITZPATRICK, M, SEIJI, A D, McGUGAN
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T B, FITZPATRICK, M, SEIJI, A D, McGUGAN
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Ustilago melanin, a naturally occuring catechol melanin
Tetrahedron Letters, 1963M. Piattelli +3 more
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In vitro scavenger activity of some flavonoids and melanins against O
Free Radical Biology and Medicine, 1991Marina Scalia +2 more
exaly